Tags Math and Arithmetic Numbers Irrational Numbers

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Math>Math & Arithmetic

Is 8 over 21 a rational number Yes or no?

Updated: 10/24/2022

Alexgerezgp1827 ∙

Lvl 1

∙ 10y ago

Best Answer

ANY number that you can write as a fraction (with whole numbers top and bottom) is rational.

Wiki User

∙ 10y ago

Still curious? Ask our experts.

Chat with our AI personalities

Lao

The path is yours to walk; I am only here to hold up a mirror.

Chat with Lao

Ezra

Faith is not about having all the answers, but learning to ask the right questions.

Chat with Ezra

Taiga

Every great hero faces trials, and you—yes, YOU—are no exception!

Chat with Taiga

Add your answer:

Earn +20 pts

Q: Is 8 over 21 a rational number Yes or no?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Math & Arithmetic

Is the square root of 441 a rational number?

Yes because 21 is a rational number

Is 21 a rational number?

Yes. Any whole number is rational. An irrational number is one that goes on forever without repeating, like √2=1.414213...

Is 13.21 repeating rational?

Yes, 13.'21' repeating is a rational number because it can be expressed in the form of a fraction as 436/33

Why is 0.21 a rational number?

0.21 is a rational number because it can be expressed as a fraction in the form of 21/100

Is 4.2 an irrational or rational number?

It is rational because it can be expressed as a fraction which is 21/5

Related questions

Is 8 over 21 rational?

Yes, any integer over any other integer (except zero) is always a rational number.

Is 0.36 rational or irrational?

Rational.

Is 8 over 21 a rational or irrational number?

Any number that is presented as an integer "over" (aka divided by) an integer is automatically a rational number - that's what the definition of a rational number is.

Is 21 over the square root of 4 a rational or irrational?

It is equal to 21/2 which is a rational number

Is the square root of 441 a rational number?

Yes because 21 is a rational number

Is 21 a rational or irrational number?

21 is a rational number.

Is 21 a rational number?

Yes. Any whole number is rational. An irrational number is one that goes on forever without repeating, like √2=1.414213...

Is 21 over 3 a rational or irrational number?

21/3 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

Is 21 a rational?

Yes. Any whole number is rational. An irrational number is one that goes on forever without repeating, like √2=1.414213...

Is 10.5 a rational number?

Yes because it can be expressed as a fraction in the form of 21/2

Is 13.21 repeating rational?

Yes, 13.'21' repeating is a rational number because it can be expressed in the form of a fraction as 436/33

Why is 0.21 a rational number?

0.21 is a rational number because it can be expressed as a fraction in the form of 21/100

Trending Questions

How many days are from January to June? How many feet in 2400 inches? What artistic movement was most concerned with attempting to find new ways represent three dimensional objects in two dimensional space? Write two different phrases in word that describes the expression 7z? How do you find the perimeter for a semi circle? How many periods in one million? How much morter to lay 100 bricks? What are two possible values for Boolean Pharses? Are the hypotenuses equal in two right triangles if the legs are equal? X plus y plus w what is x? How long each piece of wood for octagon with a five foot diameter and what angle? How many yards is 5 feet by ten feet? What is one billion divided by seventy eight thousand? Four numbers that have a mean of 20? How many feet in 2.5yard? What did Jesus want people to know? What is 65 percent off 85 dollars? How would you find a fraction of a number? How many prime factorzations of 64 are there? What is the top number of the division problem called?

Previously Viewed

Is 8 over 21 a rational number Yes or no?

Unanswered Questions

What are the important lessons we teach in Digital marketing? How important is decentralization in the future of Web3? How Does Hyvä Theme and PWA Studio Integration Enhance Magento 2 Frontend Development and Performance? Do Dental Implants Change Face Shape? Why Is Leisure Time Sodium Bromide Essential for Hot Tubs & Spas? What industries commonly use Penetrant Testing? Are there any educational resources for new users on Coin8? What services does urgent family care offer?

Resources

Top Categories

Product

Company

Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.